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We propose mS2GD: a method incorporating a mini-batching scheme for improving the theoretical complexity and practical performance of semi-stochastic gradient descent (S2GD). We consider the problem of minimizing a strongly convex function…

Machine Learning · Computer Science 2016-04-20 Jakub Konečný , Jie Liu , Peter Richtárik , Martin Takáč

A range of video modeling tasks, from optical flow to multiple object tracking, share the same fundamental challenge: establishing space-time correspondence. Yet, approaches that dominate each space differ. We take a step towards bridging…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Zhangxing Bian , Allan Jabri , Alexei A. Efros , Andrew Owens

Recently, the rise of large-scale vision-language pretrained models like CLIP, coupled with the technology of Parameter-Efficient FineTuning (PEFT), has captured substantial attraction in video action recognition. Nevertheless, prevailing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Mengmeng Wang , Jiazheng Xing , Boyuan Jiang , Jun Chen , Jianbiao Mei , Xingxing Zuo , Guang Dai , Jingdong Wang , Yong Liu

Background subtraction is a fundamental pre-processing task in computer vision. This task becomes challenging in real scenarios due to variations in the background for both static and moving camera sequences. Several deep learning methods…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Jhony H. Giraldo , Thierry Bouwmans

Weakly supervised semantic segmentation and localiza- tion have a problem of focusing only on the most important parts of an image since they use only image-level annota- tions. In this paper, we solve this problem fundamentally via…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Dahun Kim , Donghyeon Cho , Donggeun Yoo , In So Kweon

We address the task of aligning CAD models to a video sequence of a complex scene containing multiple objects. Our method can process arbitrary videos and fully automatically recover the 9 DoF pose for each object appearing in it, thus…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Kevis-Kokitsi Maninis , Stefan Popov , Matthias Nießner , Vittorio Ferrari

Seamless situational awareness provided by modern radar systems relies on effective methods for multiobject tracking (MOT). This paper presents a graph-based Bayesian method for nonlinear and high-dimensional MOT problems that embeds…

Signal Processing · Electrical Eng. & Systems 2021-03-17 Wenyu Zhang , Florian Meyer

Training deep neural networks typically requires large amounts of labeled data which may be scarce or expensive to obtain for a particular target domain. As an alternative, we can leverage webly-supervised data (i.e. results from a public…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Andrew Kae , Yale Song

Weakly-Supervised Temporal Action Localization (WSTAL) aims to localize actions in untrimmed videos with only video-level labels. Currently, most state-of-the-art WSTAL methods follow a Multi-Instance Learning (MIL) pipeline: producing…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Meng Cao , Can Zhang , Long Chen , Mike Zheng Shou , Yuexian Zou

To solve video-and-language grounding tasks, the key is for the network to understand the connection between the two modalities. For a pair of video and language description, their semantic relation is reflected by their encodings'…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Yubo Zhang , Feiyang Niu , Qing Ping , Govind Thattai

Video salient object detection aims at discovering the most visually distinctive objects in a video. How to effectively take object motion into consideration during video salient object detection is a critical issue. Existing…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Haofeng Li , Guanqi Chen , Guanbin Li , Yizhou Yu

Temporal sentence grounding in videos(TSGV), which aims to localize one target segment from an untrimmed video with respect to a given sentence query, has drawn increasing attentions in the research community over the past few years.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Xiaohan Lan , Yitian Yuan , Xin Wang , Zhi Wang , Wenwu Zhu

Unsupervised video object segmentation (VOS), also known as video salient object detection, aims to detect the most prominent object in a video at the pixel level. Recently, two-stream approaches that leverage both RGB images and optical…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Suhwan Cho , Minhyeok Lee , Jungho Lee , Donghyeong Kim , Seunghoon Lee , Sungmin Woo , Sangyoun Lee

Recently, industrial recommendation services have been boosted by the continual upgrade of deep learning methods. However, they still face de-biasing challenges such as exposure bias and cold-start problem, where circulations of machine…

Artificial Intelligence · Computer Science 2022-05-06 Fan Zhang , Qiuying Peng , Yulin Wu , Zheng Pan , Rong Zeng , Da Lin , Yue Qi

In this paper, we present a motion planning framework for multi-modal vehicle dynamics. Our proposed algorithm employs transcription of the optimization objective function, vehicle dynamics, and state and control constraints into sparse…

Robotics · Computer Science 2021-07-07 L. Lao Beyer , N. Balabanska , E. Tal , S. Karaman

Audio-visual source localization is a challenging task that aims to predict the location of visual sound sources in a video. Since collecting ground-truth annotations of sounding objects can be costly, a plethora of weakly-supervised…

Sound · Computer Science 2022-09-21 Shentong Mo , Pedro Morgado

In this article, we present our improved algorithm for error localization from counterexamples, LocFaults, flow-driven and constraint-based. This algorithm analyzes the paths of CFG (Control Flow Graph) of the erroneous program to calculate…

Software Engineering · Computer Science 2015-05-26 Mohammed Bekkouche , Hélène Collavizza , Michel Rueher

This work tackles Weakly Supervised Anomaly detection, in which a predictor is allowed to learn not only from normal examples but also from a few labeled anomalies made available during training. In particular, we deal with the localization…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Aniello Panariello , Angelo Porrello , Simone Calderara , Rita Cucchiara

In this paper, we aim to establish an automatic, scalable pipeline for denoising the large-scale instructional dataset and construct a high-quality video-text dataset with multiple descriptive steps supervision, named HowToStep. We make the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zeqian Li , Qirui Chen , Tengda Han , Ya Zhang , Yanfeng Wang , Weidi Xie

Temporal Sentence Grounding in Videos (TSGV), i.e., grounding a natural language sentence which indicates complex human activities in a long and untrimmed video sequence, has received unprecedented attentions over the last few years.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Yitian Yuan , Xiaohan Lan , Xin Wang , Long Chen , Zhi Wang , Wenwu Zhu